Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Terminals and Reference Value for INTELLIGENT KEY UNIT
2006 Infiniti FX35 AWDSECTION Terminals and Reference Value for INTELLIGENT KEY UNIT
CONNECTOR TERMINAL VOLTAGE SPECIFICATIONS
| Terminal | Wire color | Item | Signal Input/output | Condition | Voltage (V) (Approx.) | ||
|---|---|---|---|---|---|---|---|
| Ignition position | Operation or conditions | ||||||
| 1 | R/W | Steering lock unit power supply | Output | LOCK | - | 5 | |
| 2 | L | CAN-H | Input/Output | - | - | - | |
| 3 | P | CAN-L | Input/Output | - | - | - | |
| 4 | LG | Intelligent Key warning buzzer | Output | LOCK | Operate remote controller button or door request switch. | Buzzer OFF | Battery voltage |
| Sound buzzer | 0 | ||||||
| 5 | W/L | Door request switch (driver side) | Input | - | Door request switch operation: Press (ON). | 0 | |
| Other than the above (OFF) | 5 | ||||||
| 6 | W | Ignition switch (ON) | Input | ON or START | - | Battery voltage | |
| 7 | B/W | key switch | Input | LOCK | Insert mechanical key into ignition key cylinder. | Battery voltage | |
| Remove mechanical key from ignition key cylinder. | 0 | ||||||
| 10 | LG | Ignition switch (ACC) | Input | ACC or ON | - | Battery voltage | |
| 11 | L/R | Power source (Fuse) | Input | - | - | Battery voltage | |
| 12 | B | Ground | - | - | - | 0 | |
| 13 | P | Inside key antenna (+) (Luggage room) | Output | LOCK | Any door open --> all doors shut (Door switch: ON --> OFF) | ||
| 14 | L | Inside key antenna (-) (Luggage room) | Output | ||||
| 15 | G | Inside key antenna (+) signal (Dashboard) | Output | LOCK | Any door open --> Close (Door switch: ON --> OFF) Ignition knob switch: ON (press ignition knob.) |
||
| 16 | R | Inside key antenna (-) signal (Dashboard) | Output | ||||
| 17 | L | Back door antenna (+) | Output | LOCK | Back door request switch operation (Switch: ON) | ||
| 18 | W/L | Back door antenna (-) | Output | ||||
| 19 | SB | Outside antenna LH (+) | Output | LOCK | Driver door request signal operation (Switch: ON) | ||
| 20 | G/Y | Outside antenna LH (-) | Output | ||||
| 25 | W/R | Door request switch (passenger side) | Input | - | Door request switch operation: Press (ON) | 0 | |
| Other than the above (OFF) | 5 | ||||||
| 26 | P/L | Stop lamp switch | Input | - | Brake pedal depressed (ON) | 5 | |
| Brake pedal not depressed (OFF) | 0 | ||||||
| 27 | L/W | Ignition knob switch | Input | - | Press ignition knob. | 12 | |
| Return ignition knob to LOCK position. | 0 | ||||||
| 28 | W/B | Door unlock sensor | Input | - | Door is locking --> unlock | 5 --> 0 | |
| 29 | GY | Door request switch (back door) | Input | - | Back door request switch operation: Press (ON) | 0 | |
| Other than the above (OFF) | 5 | ||||||
| 31 | Y/B | Steering lock unit ground | - | - | - | 0 | |
| 32 | R/B | Steering lock unit communication | Output | LOCK | Press ignition knob with Intelligent Key inside vehicle. | ||
| Other than the above | 5 | ||||||
| 35 | LG | Inside key antenna (+) signal (Dashboard) | Output | LOCK | Any door open --> Close (Door switch: ON --> OFF) Ignition knob switch: ON (press ignition knob.) |
||
| 36 | PU | Inside key antenna (-) signal (Dashboard) | Output | ||||
| 37 | G | Outside antenna RH (+) | Output | LOCK | Passenger door request switch operation (Switch: ON) | ||
| 38 | G/W | Outside antenna RH (-) | Output | ||||
| 39 | R/Y | Detention switch | Input | LOCK | A/T selector lever in "P" position. | 0 | |
| A/T selector lever in other position. | Battery voltage | ||||||
| 40 | BR/W | Door lock relay | Output | LOCK | Door request switch (passenger side) pressed | Battery voltage --> 0 --> Battery voltage | |
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.